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Compound Interest Calculator - Getting Interest On Interest

Use the Compound Interest Calculator to determine how much money you would accumulate by investing a given amount of money at a fixed annual rate of return for a specified period in years.

For example, if you invested $1,000 at a 5 percent annual rate of return, after 10 years you would have $1,628.89.

Form Input

On the calculator form, enter only numbers (with or without decimal points).

Do not enter currency symbols like dollar signs, commas or percent signs.

Compound Interest Calculator
Investment Amount:
Annual Rate of Return:
Number of Years:
Future Value

This table gives the dollar accumulations after 10 to 100 years. The dollar values reflect your choices in the calculator.

Future Values
Future Value

Computational Notes:

The future value is computed using the following compound interest formula:

      Future Value = Investment Amount * (1 + Annual Rate of Return / 100) ^ Number Years


See Compound Interest Chart Maker to chart future values.

See Spend Less - Become a Millionaire Calculator to learn how to turn reduced spending into big money.

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